Home / 5,721,543.87-7,895,733.44-3,143,390.69

Finding the Fourth Proportional to 5,721,543.87, 7,895,733.44 and 3,143,390.69

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Solution

The fourth proportional to 5,721,543.87, 7,895,733.44 and 3,143,390.69 is: 4,337,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721,543.87 : 7,895,733.44 = 3,143,390.69 : x
  2. Step 2: Convert to fraction form
    5,721,543.87/7,895,733.44 = 3,143,390.69/x
  3. Step 3: Cross multiply
    5,721,543.87x = 7,895,733.44 × 3,143,390.69
  4. Step 4: Simplify right side
    5,721,543.87x = 24,819,374,930,822.05
  5. Step 5: Solve for x
    x = 24,819,374,930,822.05/5,721,543.87
  6. Step 6: Final answer
    x = 4,337,880.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.